I have configured GPRS modem to send GPS message every 10 seconds (as UDP packet) to a certain port at a certain IP where there is a listener to that port using hyperterminal I connect using ATD*99***1# and I get CONNECT then nothing is sent to my server but when I send anything to the modem I mean type any letter and press Enter the modem sends that letter to the server as UDP packet but no gps message is sent GPS is working and I can read the GPS message in AT command mode so How can I be sure that the timer (10 second timer) works and why nothing is sent to the server ?
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